input: touchscreen: Enable new Focaltech touch driver

Enable this new Focaltech touch driver for Lahaina device.

Change-Id: I34b9b19bbf98ffd2b0a88ebeedf033463b5e4824
Signed-off-by: Fei Mao <feim1@codeaurora.org>

drivers/input/touchscreen/Kconfig

@@ -1312,4 +1312,6 @@ config TOUCHSCREEN_IQS5XX
 
 source "drivers/input/touchscreen/st/Kconfig"
 
+source "drivers/input/touchscreen/focaltech_touch/Kconfig"
+
 endif

drivers/input/touchscreen/Makefile

@@ -111,3 +111,4 @@ obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023)	+= rohm_bu21023.o
 obj-$(CONFIG_TOUCHSCREEN_RASPBERRYPI_FW)	+= raspberrypi-ts.o
 obj-$(CONFIG_TOUCHSCREEN_IQS5XX)	+= iqs5xx.o
 obj-$(CONFIG_TOUCHSCREEN_ST)	+= st/
+obj-$(CONFIG_TOUCHSCREEN_FTS)	+= focaltech_touch/

drivers/input/touchscreen/focaltech_touch/Kconfig

@@ -3,7 +3,7 @@
 #
 
 config TOUCHSCREEN_FTS
-	bool "Focaltech Touchscreen"
+	tristate "Focaltech Touchscreen"
 	help
 	  Say Y here if you have Focaltech touch panel.
 	  If unsure, say N.

drivers/input/touchscreen/focaltech_touch/Makefile

@@ -1,13 +1,8 @@
 # Makefile for the focaltech touchscreen drivers.
 
+obj-$(CONFIG_TOUCHSCREEN_FTS) += focaltech_fts.o
 
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_core.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_fun.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_ex_mode.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_gesture.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_esdcheck.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_point_report_check.o
-
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_i2c.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash.o
-obj-$(CONFIG_TOUCHSCREEN_FTS)	+=  focaltech_flash/
+focaltech_fts-y	:= focaltech_core.o focaltech_ex_fun.o focaltech_ex_mode.o \
+	focaltech_gesture.o focaltech_esdcheck.o focaltech_point_report_check.o\
+	focaltech_i2c.o focaltech_flash.o \
+	focaltech_flash/focaltech_upgrade_ft3518.o

drivers/input/touchscreen/focaltech_touch/focaltech_core.c

@@ -1709,28 +1709,47 @@ static int fts_ts_check_dt(struct device_node *np)
 
 static int fts_ts_check_default_tp(struct device_node *dt, const char *prop)
 {
-	const char *active_tp[3 + 1] = {NULL, NULL, NULL, NULL};
-	int count;
-	int ret;
+	const char **active_tp = NULL;
+	int count, tmp, score = 0;
+	const char *active;
+	int ret, i;
 
 	count = of_property_count_strings(dt->parent, prop);
 	if (count <= 0 || count > 3)
 		return -ENODEV;
 
+	active_tp = kcalloc(count, sizeof(char *),  GFP_KERNEL);
+	if (!active_tp) {
+		FTS_ERROR("FTS alloc failed\n");
+		return -ENOMEM;
+	}
+
 	ret = of_property_read_string_array(dt->parent, prop,
-			(const char **)&active_tp, count);
+			active_tp, count);
 	if (ret < 0) {
-		pr_err(" %s:fail to read %s %d\n", __func__, prop, ret);
-		return -ENODEV;
+		FTS_ERROR("fail to read %s %d\n", prop, ret);
+		ret = -ENODEV;
+		goto out;
 	}
 
-	if (!of_device_compatible_match(dt, active_tp)) {
-		pr_err(" %s:no match compatible: %s, %s %s\n",
-			__func__, active_tp[0]);
-		return -ENODEV;
+	for (i = 0; i < count; i++) {
+		active = active_tp[i];
+		if (active != NULL) {
+			tmp = of_device_is_compatible(dt, active);
+			if (tmp > 0)
+				score++;
+		}
 	}
 
-	return 0;
+	if (score <= 0) {
+		FTS_INFO("not match this driver\n");
+		ret = -ENODEV;
+		goto out;
+	}
+	ret = 0;
+out:
+	kfree(active_tp);
+	return ret;
 }
 
 static int fts_ts_probe(struct i2c_client *client, const struct i2c_device_id *id)

drivers/input/touchscreen/focaltech_touch/focaltech_flash.c

@@ -45,22 +45,12 @@
 /*****************************************************************************
 * Global variable or extern global variabls/functions
 *****************************************************************************/
-u8 fw_file[] = {
-#include FTS_UPGRADE_FW_FILE
-};
-
-u8 fw_file2[] = {
-#include FTS_UPGRADE_FW2_FILE
-};
-
-u8 fw_file3[] = {
-#include FTS_UPGRADE_FW3_FILE
+u8 fw_file[1] = {
+0,
 };
 
 struct upgrade_module module_list[] = {
 	{FTS_MODULE_ID, FTS_MODULE_NAME, fw_file, sizeof(fw_file)},
-	{FTS_MODULE2_ID, FTS_MODULE2_NAME, fw_file2, sizeof(fw_file2)},
-	{FTS_MODULE3_ID, FTS_MODULE3_NAME, fw_file3, sizeof(fw_file3)},
 };
 
 struct upgrade_func *upgrade_func_list[] = {

drivers/input/touchscreen/focaltech_touch/focaltech_flash/Makefile

@@ -1 +1 @@
-obj-$(CONFIG_TOUCHSCREEN_FTS) += focaltech_upgrade_ft3518.o
+obj-y += focaltech_upgrade_ft3518.o